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5GHz Receiver
Table 12. Main Address 17: (A4:A0 = 10001, Main Address 0 D0 = 0)
BIT NAME
SYN_CONFIG_F<19:10>
BIT LOCATION
(D0 = LSB)
D9:D0
Fractional Divide Ratio LSBs
0000000000 = Default
DESCRIPTION
Table 13. Main Address 18: (A4:A0 = 10010, Main Address 0 D0 = 0)
BIT NAME
RESERVED
XTAL_TUNE<7:0>
BIT LOCATION
(D0 = LSB)
D9:D8
D7:D0
DESCRIPTION
Reserved bits; set to default
Crystal Oscillator Frequency Tuning
00000000 = Minimum frequency
10000000 = Default
11111111 = Maximum frequency
Table 14. Main Address 19: (A4:A0 = 10011, Main Address 0 D0 = 0)
BIT NAME
RESERVED
VAS_RELOCK_SEL
VAS_MODE
VAS_SPI<5:0>
VAS_ADC<2:0>
(Readback Only)
VCO_BAND<5:0>
(Readback Only)
BIT LOCATION
(D0 = LSB)
D9:D8
D7
D6
D5:D0
D8:D6
D5:D0
DESCRIPTION
Reserved bits; set to default
VAS Relock Select
0 = Start at sub-band selected by VAS_SPI<5:0> (Main address 19 D5:D0)
(default)
1 = Start at current sub-band
VCO Sub-Band Select
0 = By VAS_SPI<5:0> (Main address 19 D5:D0)
1 = By on-chip VCO autoselect (VAS) (default)
VCO Autoselect Sub-Band Input
Select VCO sub-band when VAS_MODE (Main address 19 D6) = 0.
Select initial VCO sub-band for autoacquisition when VAS_MODE = 1.
000000 = Minimum frequency sub-band
…
011111 = Default
…
111111 = Maximum frequency sub-band
Read VCO Autoselect Tune Voltage ADC Output
Active when VCO_VAS_RB (Main address 27 D5) = 1.
000 = Lower than lock range and at risk of unlock
001 = Lower than acquisition range and maintain lock
010 or 101 = Within acquisition range and maintain lock
110 = Higher than acquisition range and maintain lock
111 = Higher than lock range and at risk of unlock
Read the Current Acquired VCO Sub-Band by VCO Autoselect
Active when VCO_VAS_RB (Main address 27 D5) = 1.
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